Costco Gas Prices in Saint Charles, Illinois
St Charles · Warehouse #1040
221 S RANDALL RD, Saint Charles, Illinois 60174-1524
Prices updated: July 22, 2026 at 3:00 PM
Regular
$4.029
PRICE PER GALLON
Press
Premium
$5.059
PRICE PER GALLON
Press
Current gas prices at Costco #1040
This Costco gas station is located at 221 S RANDALL RD in Saint Charles, Illinois. The latest reported fuel prices are regular at $4.029/gal, premium at $5.059/gal. Prices were last updated on July 22, 2026 at 3:00 PM.
Get directions to this Costco gas station30-Day Price History
30-day change
Regular
$4.029+0.270 (7.2%)
Premium
$5.059+0.410 (8.8%)
DateRegPrem
Jul 22, 3:00 PM$4.029$5.059
Jul 21, 2:00 PM$3.999$5.059
Jul 17, 3:00 PM$3.999$4.999
Jul 16, 8:00 PM$3.959$4.999
Jul 16, 2:00 PM$3.899$4.999
Jul 14, 3:00 PM$3.959$4.999
Jul 13, 9:00 PM$4.059$5.099
Jul 12, 3:00 PM$4.059$5.029
Jul 10, 8:00 PM$3.959$5.029
Jul 10, 3:00 PM$3.859$4.929
Jul 9, 10:00 PM$3.859$4.829
Jul 9, 3:00 PM$3.759$4.729
Jul 8, 8:00 PM$3.689$4.729
Jul 8, 4:00 PM$3.689$4.659
Jul 7, 9:00 PM$3.699$4.599
Jul 7, 3:00 PM$3.799$4.669
Jul 6, 3:00 PM$3.699$4.669
Jul 5, 4:00 PM$3.759$4.699
Jul 4, 8:00 PM$3.759$4.599
Jul 3, 3:00 PM$3.799$4.599
Jul 2, 10:00 PM$3.829$4.659
Jul 2, 3:00 PM$3.839$4.759
Jul 1, 9:00 PM$3.799$4.759
Jul 1, 3:00 PM$3.799$4.799
Jun 28, 10:00 AM—$4.799
Jun 28, 9:00 AM$3.799$4.799
Jun 26, 8:00 PM$3.759$4.759
Jun 26, 3:00 PM$3.759$4.659
Jun 24, 1:00 PM$3.759$4.649